Home / 86,467.83-118,842.47-76,334.73

Finding the Fourth Proportional to 86,467.83, 118,842.47 and 76,334.73

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Solution

The fourth proportional to 86,467.83, 118,842.47 and 76,334.73 is: 104,915.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,467.83 : 118,842.47 = 76,334.73 : x
  2. Step 2: Convert to fraction form
    86,467.83/118,842.47 = 76,334.73/x
  3. Step 3: Cross multiply
    86,467.83x = 118,842.47 × 76,334.73
  4. Step 4: Simplify right side
    86,467.83x = 9,071,807,478.31
  5. Step 5: Solve for x
    x = 9,071,807,478.31/86,467.83
  6. Step 6: Final answer
    x = 104,915.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.